Journal of the Chemical SocietyThe Society., 1953 |
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Page 135
... Dilution with water and extraction with ether afforded the crude bromo - ester . This ester ( 2 g . ) and pyridine ( 4 c.c. ) were refluxed for 10 hours . The mixture was then cooled and poured into dilute hydrochloric acid , and methyl ...
... Dilution with water and extraction with ether afforded the crude bromo - ester . This ester ( 2 g . ) and pyridine ( 4 c.c. ) were refluxed for 10 hours . The mixture was then cooled and poured into dilute hydrochloric acid , and methyl ...
Page 222
... dilute solutions than Hantzsch had done . He found somewhat different equivalent con- ductivity values and disputed Hantzsch's claim that the equivalent conductivity was independent of concentration . The general qualitative conclusions ...
... dilute solutions than Hantzsch had done . He found somewhat different equivalent con- ductivity values and disputed Hantzsch's claim that the equivalent conductivity was independent of concentration . The general qualitative conclusions ...
Page 272
... dilute sulphuric acid . 4 - Hydroxy - 1 : 2 - dimethyl - 7 - nitro - 9 - phenylxanthhydrol , yellowish prisms , m . p . 221 ° ( from aqueous acetic acid ) ( Found : C , 69-1 ; H , 4.9 . C21H17O5N requires C , 69.4 ; H , 4 · 7 % ) , was ...
... dilute sulphuric acid . 4 - Hydroxy - 1 : 2 - dimethyl - 7 - nitro - 9 - phenylxanthhydrol , yellowish prisms , m . p . 221 ° ( from aqueous acetic acid ) ( Found : C , 69-1 ; H , 4.9 . C21H17O5N requires C , 69.4 ; H , 4 · 7 % ) , was ...
Contents
Internuclear Cyclisation Part VII The Synthesis of Some NitroNmethyl | 1 |
Synthesis of Polymethylnaphthalenes | 8 |
Kestose a Trisaccharide formed from Sucrose by Yeast Invertase | 24 |
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Common terms and phrases
absorption acetic acid acetic anhydride acetone acetyl acidified added alcohol alkaline aluminium aluminium chloride Amer amine aqueous sodium atom benzene boiling bromine Calc carbon Chem Chim chloroform chromatographed colourless compound concentrated cooled crystallised crystals D.Sc decomp derivatives dilute dissolved distilled dried elution equiv ester ethanol ethyl acetate ethylene evaporated extracted with ether filtered filtrate formed Found fraction gave give m. p. H₂O heated hydrochloric acid hydrogen chloride hydrogen sulphate hydrolysis hydroxyl infra-red iodide isolated ketone light petroleum b. p. liquid lithium aluminium hydride m. p. and mixed method mixed m. p. mixture mole obtained oxidation oxidised pale yellow phosphorochloridate polyporenic potassium hydroxide precipitate prepared prisms pyridine reaction reduced refluxed requires residue room temperature salt sodium hydroxide solid soluble solution solvent spectra sulphuric acid ultra-violet washed yellow needles yield